Quyidagi gaplarni tarjima qiling:
1. It is in the alveoli that the respiratory metabolism takes place. 2. It is hemoglobin that carries oxygen to different tissues of the human body. 3. It was not until 1628 that blood circulation was described by William Harvey.
So’zlarni o’qing va tarjima qiling:
Mechanism [mIkə`nIzəm], cortex [`ko:teks], communication [kə¸mju:nI`keI∫ən], stimuli [`stImjulaI], summarize [`s/\məraIz], analyse [`ænəlaIz], constant [`konstənt], hypothalamus [¸haIpзΩ`θæləməs]
IV. Quyidagi so’z va so’z birikmalarini yodlang:
complicate [`kompIlkeIt] v murakkablashtirmoq; complicated [`komplIkeItId] murakkab;
directly [dI`rektlI] adv to’g’ridan-tog’ri;
ear [Iə] n quloq;
sense [sens] n hissiyot, ma’no;
pain [paIn] n og’riq;
smell [smel] n hid, hidi kelmod;
feeling [`fi:lŋ] n his, sezgi;
order [`o:də] n tartib; buyruq; in order to uchun;
move [mu:v] v harakatlanmoq;
area [`εərIə] n maydon, bo’shliq;
control [kən`tr зΩl] n nazorat, nazorat qilmoq, tekshirmoq;
vision [`vIзən] n ko’rish;
almost [`o:lm зΩst] adv deyarli.
V. 1. Tekst A ni o’qing. 2. Tekstga reja tuzing. 3. Quyidagi so’z birikmalarining ekvivalent tarjimasini toping va yodlang:
Sezish organlari, og’riq tufayli, yana ko’p narsa, bosh miya qobig’ining harakatlantiruvchi qismi
Text A. The Brain
Scientists consider that our brain is the most complicated mechanism which has ever been constructed.
The weight of the human brain is from one to two kg (kilograms). It has a volume of about 3.21 litres and consists of about 12 billion (milliard) cells. It has been determined by the scientists that each cell is connected to the other directly or indirectly by nerve fibers.
The brain is the centre of a wide system of communication. It has been found out that a constant flow of stimuli comes into the brain through the spinal cord. The stimuli come to the brain from our eyes, ears, and other sense organs for pain, temperature, smell and other feelings. When all the received stimuli have been summarized and analysed the brain sends orders through the nerve fibers in the spinal cord to different parts of the human body. It is due to these orders that one eats, moves, hears, sees and does many other things.
To estimate the functions of different areas of the brain many experiment have been carried out by the investigators. It is due to such experiments that the investigators have been able to determine those areas of the brain which control vision, hearing, physical movements and even emotions.
Due to experimental studies it has been determined that the motor cortex controlling many body movements of the human being becomes tired rapidly. But the hypothalamus which controls such functions as blood pressure is almost never tired.
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